Draw Legend Outside of Plot Area in Base R Graphic (Example Code) On this page you’ll learn how to draw a legend outside the plotting area of a Base R graphic in the R programming language. The legend automatically updates when you add or delete data series from the axes. Sometimes it is necessary or desirable to place the legend outside the plot. import matplotlib.pylab as plt fig, ax = plt.subplots (1, 1, figsize= (10,6)) # make the figure with the size 10 x 6 inches fig.suptitle ('Example of a Legend Being Placed Outside of Plot') # The data x = [1, 2, 3] y1 = [1, 2, 4] y2 = [2, 4, 8] y3 = [3, 5, 14] # Labels to use for each line line_labels = ["Item … The following code shows how to do it. The legend can be positioned outside of the plot box using the theme () function as follows. A simplified format of the function is : legend(x, y=NULL, legend, fill, col, bg) According to R Documentation: xpd. In this example the legend is not very large so I have increased the upper limit of the y row a little bit to create some space for the legend. If FALSE, all plotting is clipped to the plot region, if TRUE, all plotting is clipped to the figure region, and if NA, all plotting is clipped to the device region. newspapers = c(11,10,9)) args.legend = list(x = ‚right‘, bty=’n‘, inset=c(-0.50,0), xpd = TRUE), Plotly legends are interactive.   with mar = par()$mar + c(0,0,0,7). Here I set the x max value to me the furthest east hand corner of my object extent. Details. (7) As the title says: How can I plot a legend outside the plotting area when using base graphics? The simplest way to plot a legend outside a figure in R The simplest way to plot a legend outside a figure in R is to: (1) Make the entire figure in R, and set the outer margin to be larger on the side that you want to make the legend (2) Make a NEW plot that overlays the ENTIRE plotting region, and use that to make the legend You can locate the legend in the upper right hand corner OUTSIDE of your plot by specifying the max x and y values derived from the extent of the spatial object that you are plotting Here I set the x max value to me the furthest east hand corner of my object extent. magazines = c(8,8,9), Arguments x, y, legend are interpreted in a non-standard way to allow the coordinates to be specified via one or two arguments. I wanted to plot a stacked bar plot using two columns of my dataset. See graph #73; horiz: legend in column or in row. When we want to put legend somewhere in a figure using Matplotlib, most of the time, the option loc='best' will produce the desired results. Finally, we restore mar to its default value: Which gives us a way better and more readable plot than before: Ben Fradet barplot(sales, ylim=c(0,50), legend.text = rownames(sales), args.legend = list(x = ‚topright‘, bty=’n‘), names.arg = months). method to the crabs dataset available in the MASS library. sales <- do.call(rbind,sales) lets see an example on how to add legend to a plot with legend () function in R. Syntax of Legend function in R: legend (x, y = NULL, legend, fill … We can move the legend on Seaborn plot to outside the plotting area using Matplotlib’s help. Show Hide all comments. Moreover, we normalize the data thanks to the ( Abmelden /  Informiere mich über neue Beiträge per E-Mail. If you still don’t use ggplot2 or, as I do, function. this. Maybe what you need is par(xpd=TRUE) to enable things to be drawn outside the plot region. How to create a legend outside the plot area in a Base R graph in the R programming language. The main arguments are: legend: names to display; bty: type of box around the legend. [R] legend outside plotting area [R] Text [R] trellis: positioning of key [R] Plotting in the margin [R] Putting legend *outside* plotting area [R] How to plot legend to the margin area of the graph? To have the graph to the side I'm thinking xpd=T. To put a legend inside the plot, you supply legend.position as coordinates on a relative scale that runs from [0,0] in the lower left to [1,1] in the upper right. In this case it is possible to position the legend inside the plotting area. So I have increased the margin at the right side by using the par(mar = …) command. sales = data.frame( have to use the old and finicky plot() function, read on to discover a trick I Legends can also be placed inside the plot box using x/y coordinates, where (0,0) is the lower left corner and (1,1) is the upper right corner. p <- ggplot(data = mtcars, aes(x=mpg, y=wt, color=cyl, size=qsec, shape=gear))+ geom_point() p If you want to place the legend outside, in the GUI you can simply drag it outside of the box. Vote. The three plot data on the same subject so I'm having one legend, to the right of the center graph. The following example creates a stacked bar plot with the sales data of books, magazines and newspapers. The following code shows how to do it. Position options include “top”, “bottom”, “left” and “right”. books = c(15,17,11), fill : colors to use for filling the boxes beside the legend text. If legend is missing and y is not numeric, it is assumed that the second argument is intended to be legend and that the first argument specifies the coordinates.. x = ndvi_classified@extent@xmax A simplified format of the function is : legend(x, y=NULL, legend, fill, col, bg) x and y : the x and y co-ordinates to be used to position the legend. If you add a legend to a plot, it will be placed inside the plotting area by default. As already mentioned it could be adversely to place the legend inside the plot. See graph #6; pt.cex: symbol size. However, sometimes, we may want to have finer control over where the legend should be in the image. Details. legend : the text of the legend. use to display a legend outside the plotting area. This may be acceptable if the legend doesn’t need much space. x = ‚right‘: to move the legend to the right side inside the plot, inset: to move the legend (in this case by 50% of the graphic width), xpd=TRUE: to allow positioning of the legend outside of the plot. Next, we plot our PCA according to the first and second components: We can clearly see the groups forming and with the help of the colouring we principal component analysis variable was the one which brought the least amount of information and was Sometimes it is necessary or desirable to place the legend outside the plot. As en example, I am going to apply the You can force the legend to plot outside of your axes using the parameter xpd=T. Shared legend across multiple plot. The following example creates a stacked bar plot with the sales data of … If you’re unfamiliar How to display a legend outside a R plot. Sign in to answer this question. months = c(’01/2014′, ’02/2014′, ’03/2014′) The following code shows the above example with some minor modifications. Plot a legend outside of the plotting area in base graphics? In this case the legend is at "bottomright" position. Ändern ), Du kommentierst mit Deinem Twitter-Konto. benjamin.fradet@gmail.com, how-to, A logical value or NA. It is moved by 0 plotting regions in x direction (so stays at "right") and by 1 plotting region in y direction (from bottom to top). sales <- do.call(rbind,sales)   For example you may place it on the right side of the graphic. When specifying xpd = T, the plotting will be The following parameters where changed or added: Furthermore you have to create some space for legend at the right side of the plot. Matplotlib has native support for legends. Details. If the DisplayName property is empty, then the legend uses a label of the form 'dataN'. To put it inside the plot area, specify a vector of length 2, both values going between 0 and 1 and giving the x and y coordinates. Benachrichtigung bei weiteren Kommentaren per E-Mail senden. An important point to note here is that the xpd argument in the legend function which control if all plot elements (ie points, lines, legend, text …) are clipped to the plotting region if it is set to FALSE (the default value). SGR A place for the uninitiated and the unnerved who need to learn R According to R Documentation: xpd. With the parameter x = ‚topright‘ the legend is placed at the top right position inside the plot. [R] legend outside plotting area [R] Text [R] trellis: positioning of key [R] Plotting in the margin [R] Putting legend *outside* plotting area [R] How to plot legend to the margin area of the graph? barplot(sales, ylim=c(0,40), sales = data.frame( You can locate the legend in the upper right hand corner OUTSIDE of your plot by specifying the max x and y values derived from the extent of the spatial object that you are plotting. The coordinates can be specified in any way which is accepted by xy.coords. to quantitative variables as well as the index column and the carapace length Control the legend colors manually by specifying custom color values. Move Legend to Outside the Plotting Area with Matplotlib in Seaborn’s scatterplot () When legend inside the plot obscures data points on a plot, it is a better idea to move the legend to outside the plot. The color and the shape of the points are determined by the factor variables cyl and gear, respectively. y.intersp will affect the line spacing, using a negative value for inset (together with xpd=NA) will allow the legend to be moved outside the plot. legend.outside displays a legend outside the plot, shrinking the plot to leave space. 0 Comments. Thanks. This page aims to explain how to add a legend to a plot made in base R. It is done using the legend() function. col: symbol color; pch: symbol type. The allowed values for the arguments legend.position are : “left”,“top”, “right”, “bottom”. In this article we will show you some examples of legends using matplotlib. If FALSE, all plotting is clipped to the plot region, if TRUE, all plotting is clipped to the figure region, and if NA, all plotting is clipped to the device region. Ändern ), Du kommentierst mit Deinem Facebook-Konto. The parameter bty=’n‘ hides the box around the legend. x and y are the coordinates of the legend box. And it so happens that it appears right above the plot. legend () function in R makes graph easier to read and interpret in better way. Legend function in R adds legend box to the plot. It even updates the plot’s theme to orientate the legend correctly. In such type of plots you will normally use a legend to describe the data. If legend is missing and y is not numeric, it is assumed that the second argument is intended to be legend and that the first argument specifies the coordinates.. For the labels, the legend uses the text from the DisplayName properties of the data series. [R] Adding image to plotting area [R] is it possible to put tick labels inside plotting area ? Depending upon the bimodality of the data (it is often bimodal), or any other strange data trends, the points can end up gathering in just about any corner of the plot. R. might be able to deduce which sex is which but since a plot is only as good legend creates a legend with descriptive labels for each plotted data series. par(mar = c(5,4,4,8)) The coordinates can be specified in any way which is accepted by xy.coords. Data visualization in R: Show legend outside of the plotting area. But luckily it’s very easy to move the legend outside the plot. I am creating a CDF plot function more user-friendly than any default r function. The legendgroup key groups legend entries so that clicking on one legend entry will hide or show all of the traces in that group. Sign in to comment.   R function: guides() Change the legend order in the situation where you have multiple legends (or multiple guides) generated by using multiple aesthetics (shape, color, size, fill, etc) in the plot. I used-> c=table(tr[,2],tr[,3]) barplot(c,legend=rownames©) and I get a plot like this-> I want the legend to be outside the plot and not on the plot. [R] Plotting legend outside of plot region [R] separate mfrow region with line [R] Adding text outside (lattice barchart) plotting region. How To Put Legend outside of Axes Properly in Matplotlib? To add legends to plots in R, the R legend () function can be used. [R] Adding image to plotting area [R] is it possible to put tick labels inside plotting area ? Arguments x, y, legend are interpreted in a non-standard way to allow the coordinates to be specified via one or two arguments. The legend() method adds the legend to the plot. The coordinates can be specified in any way which is accepted by xy.coords. image. The following plot will be created. Ändern ). ( Abmelden /  legend () function in R makes graph easier to read and interpret in better way. We get rid of the qualitative variables sp and sex because the PCA only applies rowSums() A logical value or NA. The R code below creates a scatter plot. To plot a legend outside the plotting area in base graphics, you can set the xpd argument of the par function.. Data engineer R legend function To add legends to plots in R, the R legend () function can be used. Arguments x, y, legend are interpreted in a non-standard way to allow the coordinates to be specified via one or two arguments. with the dataset I invite you to read The size of the points are controlled by the variable qsec. Legends can also be placed inside the plot box using x/y coordinates, where (0,0) is the lower left corner and (1,1) is the upper right corner. Generally there are lots of possibilities for customizing within the standard one; e.g. variable because of a previous analysis we had done which determined that this Erstelle kostenlos eine Website oder ein Blog auf WordPress.com.   Grouped Legend. Duncan Murdoch There are various alternatives available; you can also write your own, by modifying the standard one. An important point to note here is that the xpd argument in the legend function which control if all plot elements (ie points, lines, legend, text …) are clipped to the plotting region if it is set to FALSE (the default value). Walter Roberson on 28 Dec 2017. 4. lets see an example on how to add legend to a plot with legend () function in R. Syntax of Legend function in R: legend (x, y = NULL, legend, fill = NULL, col = par (“col”),border = “black”, lty, lwd, pch) To put it around the chart, use the legend.position option and specify top, right, bottom, or left. Normally this would get clipped to the plot region, but do par(xpd=TRUE) and with a bit of adjustment you can get a legend as far right as it can go: As you can see the legend is shown inside the plotting area. The function grid_arrange_shared_legend extracts the legend from its first argument, combines the plots with the legend hidden using arrangeGrob, and finally appends the legend to one of the sides. Legends can be placed in various positions: A legend can be placed inside or outside the chart and the position can be moved. The legend can be positioned outside of the plot box using the theme () function as follows. Note: the command legend.justification sets the corner that the position refers to. Legend function in R adds legend box to the plot. What I would like to do is add text outside of my plot so that it looks something like (I used Microsoft Paint after exporting to image): plot_1 948×647 4.74 KB Clean ways to move ggplot2 caption away from plot (but still on image) without crazy hjust? figure (1), plot (x,y1,'b',x,y2,'r') legend ('Line 1','Line 2') Compare that with placing the legend outside: legend ('Line 1','Line 2','Location','NorthEastOutside') months = c(’01/2014′, ’02/2014′, ’03/2014′) Ändern ), Du kommentierst mit Deinem Google-Konto. Data visualization in R: Show legend outside of the plotting area Veröffentlicht am März 6, 2016 von oliverfunke If you add a legend to a plot, it will be placed inside the plotting area by default. Example. very correlated to the others and particularly the carapace width variable. The default value for xpd which is NA means that the plot will cover the whole ( Abmelden /  clipped to the figure region. So if you do the main plot with bty=‘L’ you’ll have some space on the right for a legend. We then extend the margins on our graph to give us space to display our legends Use guides(fill=FALSE), replacing fill with the desired aesthetic.You can also remove all the legends in a graph, using theme.   Position options include “top”, “bottom”, “left” and “right”. Set ggplot legend guides for each aesthetic when you have many legends. magazines = c(8,8,9), books = c(15,17,11), If legend is missing and y is not numeric, it is assumed that the second argument is intended to be legend and that the first argument specifies the coordinates.. names.arg = months). Each graph has a number of points and lines overlaid, so plot ();lines(),lines(),lines() etc. I'm using mar=c(5,15,4,15) to bring the sides in so that the graphs are square and not stretched wide. newspapers = c(11,10,9)) as its legend, we are going to add one: which allows us to display stuff outside the plotting area. Accepted Answer .   For the plot, how can I put the legend below the plot (as in excel)?   April 30, 2014 - how-to, R If you still don’t use ggplot2 or, as I do, have to use the old and finicky plot() function, read on to discover a trick I use to display a legend outside the plotting area. The legend.position keywords control where the legend appears outside the plot area. Related course. ( Abmelden /  To plot a legend outside the plotting area in base graphics, you can set the xpd argument of the par function.. inset=c (0,1) - moves the legend by fraction of plot region in (x,y) directions. Click on the legend entries to hide and show traces. legend.text = rownames(sales), Note that, the argument legend.position can be also a numeric vector c(x,y). legend on will turn it back on. Trage deine Daten unten ein oder klicke ein Icon um dich einzuloggen: Du kommentierst mit Deinem WordPress.com-Konto. From the command line, you can type help legend and you'll see a list of all the position commands you can give in order to move the legend wherever you want it. How can I do this? Ein oder klicke ein Icon um dich einzuloggen: Du kommentierst mit Deinem Google-Konto it be! # 73 ; horiz: legend in column or in row or show all of legend... You some examples of legends using Matplotlib to plots in R makes graph easier to read interpret. 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Method adds the legend is shown inside the plotting area controlled by the variable qsec creates. Descriptive labels for each plotted data series ‘ the legend is shown inside the plotting area bty= ’ n hides! Image to plotting area [ R ] Adding image to plotting area when using base graphics is (! Of box around the legend by fraction of plot region in ( x, y ) directions legend... Various positions: a legend outside, in the MASS library center graph Blog! If you ’ re unfamiliar with the desired aesthetic.You can also remove all the in. To plotting area box to the side I 'm having one r legend outside plot, to the plot cover... Various alternatives available ; you can set the xpd argument of the box the!